Qi Xia secretly loves Xie Huaijin, and they accidentally have a one-night stand. When Xie Huaijin proposes, Qi Xia rejects him. Afterward, Qi Xia faces various challenges, including blind dates and humiliation at a class reunion, while her feelings for Xie Huaijin grow stronger despite misunderstandings. Xie Huaijin gets hurt protecting her. Eventually, Qi Xia loses and regains her memory, and they have a wedding, finding happiness together.